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Questions tagged [labview]

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Labview - Active amplifier

I need to create a pulsed current variable from 0 to 20A to run solenoid with a very low resistance. Which is the best solution for you? Right now I am trying to generate a pulsed current with ...
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47 views

16 bit VISA Write in LABView

I am trying to communicate with a LIN sensor device via a PC COM port (I built a board that converts USB to UART and then UART to LIN). The board works and I wrote a simple Matlab script to grab data ...
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1answer
136 views

Measuring current using ACS 712 with NI DAQ 9215

I am trying to measure current from Ignition coil(12V, 4.5A). i used arduino to measure current. And it worked good. And i connected the ACS712 signal pin to NI DAQ 9215. At zero current the output ...
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37 views

Holding signal true for x seconds in LabView

I'm trying to create an automatic startup override system whereby when an ESD override button is clicked, a signal will be held true for 10 seconds overriding my ESD interlocks. This seems like there ...
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1answer
71 views

In a Generator, why when the Exciter voltage increases the Generator Voltage decreases?

I have a project where I have to build an electrical model of a generator with constant torque at 1500 RPM and simulate it in LabView. I have a manual that describes some measurements that were made ...
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1answer
64 views

Pressure transducer being read using Labview

I understand this is not a typical question for this forum, and that NI Labview forum would be better (I posted there too), but I am hoping that someone who is proficient in Labview will see this. I ...
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86 views

Question Regarding connection a color sensor to Myiro I2C using Labview?

My school wants us to build a robot that would make use of a color sensor (see page 30 of this document). As I pull the myRIO I2C toolkit into the block diagram, I am having trouble matching the input/...
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1answer
218 views

How can I transmit a TTL signal to a computer?

I am designing a data acquisition system including a sensor that outputs a TTL pulse signal (3 wires: power supply, common, and signal). I am trying to determine how to send this signal to a program ...
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2answers
338 views

how to bumplessly switch between two control signals?

I have a Labview program which sends 4-20ma current signal through a ni usb device to control the speed of a motor by controlling a sew eurodrive MOVIDRIVE ® MDX60B / 61B. Here is the data sheet of ...
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1answer
152 views

Can change number of data bits in NI LabVIEW's VISA serial?

I need to send 16 bits of data through serial UART to LabVIEW. I have 16bits of data frames with 1 start bit, 1 stop bit, and 1 parity bit. Is it possible to change the number of data bits in VISA ...
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1answer
190 views

fire detection system with lm358 using arduino and labview.I want help regarding if my circuit is correct or not?VI

I'm a beginner working on this system (Link). I build the hardware similiar to the link and I did a software implementation on Lab view as well, but only the buzzer starts when temperature is ...
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1answer
117 views

How do I obtain readings using an AD8302?

I need to use an AD 8302 Gain and Phase detector along with a SynthHD frequency generator to design a Vector Network Analyzer. Before I get to that I wanted to try and obtain readings on my PC. There ...
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1answer
211 views

LabView drivers for Keithley 6487. where to find documentation?

I have to set up a program for measuring the IV characteristics of some components using LabView. At the time of writing I'm studying the basics of the G language (LabView programming language) for ...
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1answer
171 views

FFT in LabView using DAQ

Familiar with the FFT and LabView. Can I use LabView to compute and display the FFT of an analog signal in real-time rather than computing it from a data array?